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Technical Data Sheet
PartsTable / COMPONENT / M52N
M52N ✓ Verified by PartsTable
— · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The PLUNGER,QUICK RELEASE is a the manufacturer industrial component. Key specifications include shape: ROUND, thread_length: 0.468 INCHES NOMINAL IN, overall_length: 0.533 INCHES NOMINAL IN, end_pressure_rating: 6.250 POUNDS NOMINAL LBS, nominal_thread_size: 0.190 INCHES IN, thread_quantity_per_inch: 32. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-446-9422, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
M52N
NSN: 5340-00-446-9422
FSC: 5340
CAGE: 01226 — HUTCHINSON AEROSPACE & INDUSTRY, INC. DBA VLIER DIV VLIER (USA)
SPECIFICATIONS
shapeROUND
thread_length0.468 INCHES NOMINAL IN
overall_length0.533 INCHES NOMINAL IN
end_pressure_rating6.250 POUNDS NOMINAL LBS
nominal_thread_size0.190 INCHES IN
thread_quantity_per_inch32
thread_series_designatorUNF
NSN5340-00-446-9422
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: M52N MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
NOMINAL THREAD SIZE: 0.190 INCHES IN
•
THREAD LENGTH: 0.468 INCHES NOMINAL IN
•
THREAD SERIES DESIGNATOR: UNF
•
SHAPE: ROUND
•
END PRESSURE RATING: 6.250 POUNDS NOMINAL LBS
•
THREAD QUANTITY PER INCH: 32
TECHNICAL CHARACTERISTICS (FLIS)
NOMINAL THREAD SIZE0.190 INCHES IN
THREAD LENGTH0.468 INCHES NOMINAL IN
THREAD SERIES DESIGNATORUNF
SHAPEROUND
OVERALL LENGTH0.533 INCHES NOMINAL IN
END PRESSURE RATING6.250 POUNDS NOMINAL LBS
THREAD QUANTITY PER INCH32
VERIFIED SUBSTITUTES & CROSS-REFERENCES 27
4201225Upgraded Successor
successor cross-reference
successor
M-52Upgraded Successor
successor cross-reference
successor
CL-31-SPS-1Upgraded Successor
successor cross-reference
successor
M29AUInterchangeable
interchangeable cross-reference
interchangeable
D3561Interchangeable
interchangeable cross-reference
interchangeable
47D1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M52N?
M52N is a PLUNGER,QUICK RELEASE.
What parts can replace M52N?
There are 27 known substitutes for M52N: 4201225, M-52, CL-31-SPS-1 and 24 more. Substitute compatibility should be verified for your specific system.
What is the NSN for M52N?
M52N is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-446-9422. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026